Scientific Method
Scientific Method 2
Characteristics of Life
Cell Transport
Cells
100

A testable prediction is a...

hypothesis

100
What is the name of the variable that is measured?

Dependent variable

100

This characteristic of life helps organisms make new organisms

Reproduction (or DNA)

100

What type of transport does not require energy?

Passive transport

100
What is the control center of the cell?

Nucleus

200

How many variables are changed in an experiment?

ONE

200

TRUE OR FALSE

The Independent Variable is the 1 thing or factor that the scientist changes.

TRUE

200

When a tadpole becomes a frog, it is showing this characteristic of life.

Growth and development

200

What does the term "selectively permeable" mean?

Only letting some things through

200

Which organelle is responsible for sorting and packaging proteins in the cell?

Golgi apparatus

300

What is the name of the variable that is changed?

Independent variable

300

Identify the independent variable: If I change the amount of water in the tank, then the fish will live longer.

The amount of water
300

All living things are made of _________?

cells!

300

Cell transport involves the movement of substances across the ______________

cell membrane

300

What organelle digests waste in a cell?

Lysosome

400

The factors that are kept the same and do not change in the experiement

constants
400

What is the dependent variable in the following hypothesis?

If I raise the temperature, then mold will grow faster.

The amount of time it takes to grow mold.

400

What is another term for an organism maintaining a stable internal condition?

Homeostasis

400
What is the form of energy that cells use during active transport?

ATP

400

Which organelle is the protein factory?

Ribosome

500

What are the two formats for writing a hypothesis?

"If...then..."

"I think that"

500

If soil temperatures rise, then plant growth will increase. 

Based on this hypothesis, what might a constant in this experiment be?

type of soil, type of plant, amount of sunlight, amount of water

500

Organisms who produce their own food are called...

autotrophs

500

Name the 3 types of passive transport

1. Diffusion

2. Facilitated Diffusion

3. Osmosis

500

What are the levels of organization from most complex to least complex?

organism, organ system, organ, tissue, cell